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[Octave-bug-tracker] [bug #49015] atan2 singular cases

From: Ernst Reissner
Subject: [Octave-bug-tracker] [bug #49015] atan2 singular cases
Date: Wed, 7 Sep 2016 08:25:56 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:48.0) Gecko/20100101 Firefox/48.0

Follow-up Comment #4, bug #49015 (project octave):

I do not agree: 
one has to state that it is atan(y/x) and then the exceptions. 
As it is, it is contradictuous. 
atan(y/x) is not equvalent with arg (complex (X, Y)). 

As an alternative first sentence one could write that it is 
arg (complex (X, Y)). 

I am not sure whether this is what is implemented. 
I only know that this is what shall be implemented according to the standard. 


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